SKF 71912 ACE/HCP4AH1 Angular Contact Ball Bearing

SKF

Product Code: 71912 ACE/HCP4AH1
Brand: SKF



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Description for SKF 71912 ACE/HCP4AH1 Angular Contact Ball Bearing

Technical specification MetricImperial DIMENSIONS d 60 mmD 85 mmB 13 mmd1 67.75 mmd2 65.7 mmD1 77.3 mmK 0.5 mmC1 3.83 mmr1,2min. 1 mmr3,4min. 0.3 mma 24.6 mm ABUTMENT DIMENSIONS damin. 64.6 mmdbmin. 62 mmDamax. 80.4 mmDbmax. 83 mmramax. 1 mmrbmax. 0.3 mmdn 69.6 mm CALCULATION DATA Basic dynamic load ratingC 15.3 kNBasic static load ratingC0 11.2 kNFatigue load limitPu 0.475 kNAttainable speed for grease lubrication 23000 r/minAttainable speed for oil-air lubrication 36000 r/minContact angle? 25 °Ball diameterDw 7.938 mmNumber of ballsz 23Reference grease quantityGref 2.5 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 139 NStatic axial stiffness, preload class A 128 N/µmPreload class BGB 418 NStatic axial stiffness, preload class B 193 N/µmPreload class CGC 836 NStatic axial stiffness, preload class C 254 N/µmCALCULATION FACTORSCalculation factorf 1.13Calculation factorf1 0.98Calculation factorf2A 1Calculation factorf2B 1.04Calculation factorf2C 1.08Calculation factorfHC 1.01Calculation factore 0.68Calculation factor (single, tandem)Y2 0.87Calculation factor (single, tandem)Y0 0.38Calculation factor (single, tandem)X2 0.41Calculation factor (back-to-back, face-to-face)Y1 0.92Calculation factor (back-to-back, face-to-face)Y2 1.41Calculation factor (back-to-back, face-to-face)Y0 0.76Calculation factor (back-to-back, face-to-face)X2 0.67 MASS Mass bearing 0.16 kg

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